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https://issues.apache.org/jira/browse/STORM-2303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jungtaek Lim resolved STORM-2303.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.1.0
2.0.0
Merged into master, 1.x branch.
> [storm-opentsdb] Fix list invariant issue for JDK 7
> ---------------------------------------------------
>
> Key: STORM-2303
> URL: https://issues.apache.org/jira/browse/STORM-2303
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-opentsdb
> Affects Versions: 2.0.0, 1.1.0
> Reporter: Jungtaek Lim
> Assignee: Jungtaek Lim
> Fix For: 2.0.0, 1.1.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> From STORM-2297 I also fixed an issue where storm-opentsdb refers
> TupleOpenTsdbDatapointMapper (implemented one) to List/Iterable, not
> ITupleOpenTsdbDatapointMapper (interface).
> I just replaced TupleOpenTsdbDatapointMapper to
> ITupleOpenTsdbDatapointMapper, and it works with JDK 8, but later I realized
> it doesn't work with JDK 7 because generic is invariant.
> While I don't know why it worked with JDK 8 (I googled about generic
> covariance change on JDK 8 but no luck.) it should be fixed.
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